Nests, Braids And Twists, On The Nano ScaleNew research in the journal Science details how nano-sized hairs can be made to twist themselves into tight coils and braids, or clutch an object with a sticky grip. Study author Joanna Aizenberg of Harvard University explains the nano-knotting.

New research in the journal Science details how nano-sized hairs can be made to twist themselves into tight coils and braids, or clutch an object with a sticky grip. Study author Joanna Aizenberg, a materials scientist at Harvard University, explains the nano-knotting.